Answer:
The mean weight of four members of the wrestling team is 160 pounds.
Three of them have weights of 125, 183, and 169 pounds, the remaining one has weight a.
=> (a + 125 + 183 + 169)/4 = 160
=> a = 160 x 4 - 125 -183 - 169 = 163
=> Option C (163 pounds) is correct.
Hope this helps!
:)
